i'll take you back to a report february 29, 2000, in flint, michigan. there a 6-year-old boy brought a gun to buelle elementary school in mount morris township. he killed his first grade classmate kayla roland. that's in flint, michigan. i'll take you back to 1979. san diego, california. fortunately, there, alex, brenda spentser, at the time, 16, pulled out a .22 caliber rifle from her family's house across the vietnam and said after she had shot some students, i just don't like mondays. this is really a tough and emotional story to watch when we listen to some of the children what they have to say here, alex. we think of these places as safe havens, and, unfortunately, today it was not. >> nbc's -- nbc -- msnbc's richard lui. chelg -- i don't know what the word is to describe this. horrifying, chilling, a moment of national tragedy. you know, the culture -- we talk about violence. it's not something that is just happening in schools. it's not something that's just happening 234 movie theaters. we were talking during the break about violence that's happ